Regressions on native/master at commit r16-695 vs commit r16-686 on Linux/x86_64

[Haochen Jiang via Gcc-regression]

Regressions on master at commit r16-695 vs commit r16-686 on Linux/x86_64
New failures:

New passes:
FAIL: g++.dg/coroutines/pr94760-mismatched-traits-and-promise-prev.C  
-std=c++17 (test for excess errors)
FAIL: g++.dg/coroutines/pr94760-mismatched-traits-and-promise-prev.C  
-std=c++17 (test for excess errors)

Regressions on master at commit r16-687 vs commit r16-670 on Linux/x86_64

[Haochen Jiang via Gcc-regression]

Regressions on master at commit r16-687 vs commit r16-670 on Linux/x86_64
New failures:

New passes:
FAIL: gcc.dg/lto/save-temps c_lto_save-temps_0.o-c_lto_save-temps_0.o link,  -O 
-flto -save-temps
FAIL: g++.dg/coroutines/pr94760-mismatched-traits-and-promise-prev.C  
-std=c++17 (test for excess errors)
FAIL: g++.dg/coroutines/pr94760-mismatched-traits-and-promise-prev.C  
-std=c++17 (test for excess errors)